THOMAS W ALDERSON MD
NPI 1942404439
Internal Medicine - Nephrology in Topeka, KS

Active since June 11, 2007PECOS EnrolledAccepts Medicare Assignment
823 SW MULVANE ST, TOPEKA, KS 66606(785) 270-8670(785) 368-0478 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 1, 2026, Apr 9, 2024, Jul 10, 2023 and 3 more (6 updates tracked since 2018).

About Thomas W Alderson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS W ALDERSON MD (NPI 1942404439) is an individual nephrology provider in Topeka, Kansas, licensed in Kansas (04-35001) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Health System - St Francis Campus, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1942404439
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameTHOMAS W ALDERSONCredential: MD
Location Address823 SW MULVANE STTopeka, KS 66606-1764
Mailing Address823 Sw Mulvane StTopeka, KS 66606-1764 · (785) 270-8670 · Fax (785) 368-0478
Fax(785) 368-0478
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2007
Enumeration DateJune 11, 2007
Last NPPES UpdateMay 1, 20266 updates tracked since enumeration
NPPES CertifiedMay 1, 2026
NPI 1942404439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in KS · 04-35001
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
823 SW MULVANE ST, Topeka, KS 66606

Secondary Practice Locations 3

Location 11325 Research Park DrManhattan, KS 66502-5000 · Phone (785) 354-9591 · Fax (785) 368-0478
Location 21500 SW 10th AveTopeka, KS 66604-1301 · Phone (785) 354-6000
Location 31102 Saint Marys RdJunction City, KS 66441-4139 · Phone (785) 238-0325 · Fax (785) 576-1113

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thomas W Alderson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052504719
PECOS Enrollment IDI20110726000429
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units Q5106
Epoetin alfa-epbx (Retacrit) is a biosimilar injection used for non-ESRD (End-Stage Renal Disease). It helps your body make more red blood cells, increasing your energy and well-being. It's usually given under the skin or into a vein by a healthcare professional.
903 services11 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
721 services283 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
397 services365 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
326 services174 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
245 services57 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
227 services125 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number170016
Location1700 SW 7th StreetTopeka, KS 66606 · Shawnee County
Emergency services Birthing friendly

Stormont Vail Health Flint Hills, LLC

Acute Care Hospitals · Junction City, KS
OwnershipGovernment - Local
CMS Certification Number170074
Location1102 St Mary's RoadJunction City, KS 66441 · Geary County
Emergency services Birthing friendly

Stormont Vail Hospital

Acute Care Hospitals · Topeka, KS
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170086
Location1500 SW 10th AvenueTopeka, KS 66604 · Shawnee County
Emergency services Birthing friendly

Lmh

Acute Care Hospitals · Lawrence, KS
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number170137
Location325 Maine StreetLawrence, KS 66044 · Douglas County
Emergency services Birthing friendly

Ascension Via Christi Hospital Manhattan, Inc

Acute Care Hospitals · Manhattan, KS
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170142
Location1823 College AveManhattan, KS 66502 · Riley County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.41 typical visit price
range $53.00 – $161.67
Typical copayment $30.60 (range $13.25 – $40.41)
Most-billed visit code 99204
Established Patient
$94.12 typical visit price
range $16.88 – $132.11
Typical copayment $23.53 (range $4.22 – $33.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Cyclosporine, oral, 100 mg J7502
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers14 claims830 services$1.76 avg. paid by Medicare
Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
2 suppliers11 claims10,055 services$1.21 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
7 suppliers64 claims8,104 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers25 claims3,845 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers26 claims1,980 services$0.18 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers46 claims5,478 services$0.98 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
823 SW MULVANE ST
TOPEKA, KS 66606
Nurse Anesthetist, Certified Registered
823 SW MULVANE ST, SUITE 210
TOPEKA, KS 66606
Nurse Practitioner (Family)
823 SW MULVANE ST
TOPEKA, KS 66606
Surgery (Surgical Critical Care)
823 SW MULVANE ST
TOPEKA, KS 66606
Nurse Anesthetist, Certified Registered
823 SW MULVANE ST, SUITE 210
TOPEKA, KS 66606
Nurse Practitioner
823 SW MULVANE ST
TOPEKA, KS 66606
Nurse Practitioner
823 SW MULVANE ST
TOPEKA, KS 66606
Registered Nurse
823 SW MULVANE ST
TOPEKA, KS 66606

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Alderson's NPI number?

The NPI number for Thomas Alderson is 1942404439. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Where is Thomas Alderson located?

Thomas Alderson practices at 823 SW Mulvane St, Topeka, KS 66606. The listed phone number is (785) 270-8670.

What is Thomas Alderson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Thomas Alderson enrolled in Medicare?

Yes. Thomas Alderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Alderson accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Medica list Thomas Alderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Alderson affiliated with any hospitals?

According to CMS data, Thomas Alderson is affiliated with University Of Kansas Health System - St Francis Campus, Stormont Vail Health Flint Hills, LLC, Stormont Vail Hospital, Lmh and Ascension Via Christi Hospital Manhattan, Inc.

When was this NPI record last updated?

The NPPES record for Thomas Alderson was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.